highly significantp <0.001
We found a highly significant effect of clinical group [F (1,63) = 12.892, p <0.001] and a significant effect of age group [F (1,63) = 5.988, p = 0.017] with no interaction between clinical group and age group [F (1,63) = 0.133, NS], indicating a similar deficit in visual activation in both children and adults with NF1.